370-1 Description.
For concrete pavement using the asphalt base option, construct expansion joints in accordance with Standard Plans, Index 350-001. For concrete pavement using the special select soil base option, construct special expansion joints near the bridge approach s labs that consist of a section of reinforced concrete subslab supporting the roadway concrete pavement in accordance with the details shown in Standard Plans, Index 370-001 and the Contract Documents .
370-2 Materials.
Bar Reinforcement: Use bar reinforcin g steel meeting the requirements of 931 -1.1. Concrete: For the expansion joint subslab, use concrete meeting the requirements of Section 347. Galvanized Sheet Metal: Use galvanized sheet metal meeting the requirements shown in the Plans. Seal: Use compr ession seals in accordance with Section 932 and Standard Plans, Index 370-001.
370-3 Construction Methods.
Construct the expansion joints in accordance with the applicable requirements of Sections 346, 347, 350, 415 and Standard Plans, Indexes 350-001 and 370-001.
370-4 Method of Measurement.
The quantity to be paid for will be plan quantity, in feet, calculated across the pavement at right angles to the centerline of the roadway pavement, completed and accepted.
370-5 Basis of Payment.
Price and payment will be full compensation for all work and materials specified in this Section or required for the expansion joint, including concrete subslab, sheet metal strip, reinforcing steel, compression seal and all additional excavation required. Payment will be made under: Item No. 370 - 1- Bridge Approach Expansion Joint - per foot. FY 2023-24 Return to Table of Contents STRUCTURES SECTION 400 CONCRETE STRUCTURES
400-1 Description.
Construct concrete structures and other concrete members, with the exception of pavement and incidental concrete construction (which are specified in other Sections). Refer to Section 450 for prestressed construction requirements additional to the requirements of this Section. For precast concrete structures meet the requirements o f Section 450 for inserts and lifting devices, handling, storage, shipping, and erection. Obtain incidental precast products from a plant that is currently on the Department’s Production Facility Listing. Producers seeking inclusion on the list shall meet the requirements of Section 105.
400-2 Materials.
Meet the following requirements: Concrete ................................ .............. Sections 346 and 347 Penetrant Sealer ................................ .................. Section 413 High Molecular Weight Methacrylate (HMWM)** ................................ ................................ ............ Section 413 Reinforcing for Concrete ................................ ....Section 415 Water ................................ ................................ ...Section 923 Curing Materials*,** ................................ ..........Section 925 Epoxy Bonding Compounds** ........................... Section 926 Post Installed Anchor Systems** ........................ Section 937 Joint Materials** ................................ ................. Section 932 Bearing Pads ................................ ....................... Section 932 Non-Shrink Grout** ................................ ...........Section 934 Class 5 Applied Finish Coatings** ..................... Section 975 Galvanizing Compound** ................................ ..Section 562 Dowel Bar Assembly** ................................ ......Section 931 Filter Fabric** ................................ ..................... Section 985 *The Engineer will allow clean sand and sawdust for certain curing, when and as specified. **Use products listed on the Department’s Approved Product List ( APL).
400-3 Depth of Footing.
Refer to Section 455, “D. SPREAD FOOTINGS”.
400-4 Falsework.
400-4.1 Plans: At the Engineer’s request, submit detailed plans for falsework or
centering to the Department. The Contractor is responsible for results obtained by using these plans.
400-4.2 Design and Erection: Design and construct all falsework to provide the
necessary rigidity and to support the loads without appreciable settlement or deformation. Use FY 2023-24 Return to Table of Contents